// ==UserScript==
// @name        Twitter Notification Hider
// @namespace   http://tampermonkey.net/
// @version     1.0
// @description hide div with specific aria-label
// @author      You
// @match       https://twitter.com/*
// @grant       none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
var divStatus = false; // false means div is visible
// Create new button
var button = document.createElement('button');
button.innerHTML = 'Toggle Div';
button.style.position = 'fixed';
button.style.top = '10px';
button.style.right = '10px';
button.style.zIndex = 9999;
// Append to body
document.body.appendChild(button);
// Event Listener
button.addEventListener('click', function() {
// Search for div
var divs = document.querySelectorAll('div[aria-label="New Tweets are available. Push the period key to go to the them."]');
for(var i = 0; i < divs.length; i++) {
if(divStatus) {
divs[i].style.display = 'block'; // Show the div
} else {
divs[i].style.display = 'none'; // Hide the div
}
}
// Toggle status
divStatus = !divStatus;
});
})();